Java入門第一卷中的
這是啥錯(cuò)誤？不能用40<age<=60這種用法么？ The operator <= is undefined for the argument type(s) boolean, int The operator <= is undefined for the argument type(s) boolean, int The operator <= is undefined for the argument type(s) boolean, int
孔雀東南飛1
2016-11-30
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2016-11-30
哦哦，謝啦
2016-11-30
因?yàn)閖ava無法識(shí)別40<age<=60，必須用age>40&&age<=60代替